Home / 874,003,997.51-1,206,111,440.73-477,518,473.70

Finding the Fourth Proportional to 874,003,997.51, 1,206,111,440.73 and 477,518,473.70

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Solution

The fourth proportional to 874,003,997.51, 1,206,111,440.73 and 477,518,473.70 is: 658,967,803.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,003,997.51 : 1,206,111,440.73 = 477,518,473.70 : x
  2. Step 2: Convert to fraction form
    874,003,997.51/1,206,111,440.73 = 477,518,473.70/x
  3. Step 3: Cross multiply
    874,003,997.51x = 1,206,111,440.73 × 477,518,473.70
  4. Step 4: Simplify right side
    874,003,997.51x = 575,940,494,283,467,072
  5. Step 5: Solve for x
    x = 575,940,494,283,467,072/874,003,997.51
  6. Step 6: Final answer
    x = 658,967,803.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.